Error 11503

I have tried several times today to purchase albums and I keep getting an error that says:
"Could not purchase "unknown". An unknown error occurred (11503). There was an error in the Music Store. Please try again later."
What is this error and how do I fix the problem? I updated the ITunes software already but that did not fix the problem.
My anti-virus and firewall were also disabled at the time of download so that could not be the problem either.
Any help is greatly appreciated.

tried. didn't work. still get 11503 error and couldn't download free song. any idea how to get a response from itunes regarding this matter? it's been going on for nearly a month and my money is tantalizingly showing up in my account and not being able to access it is exceedingly frustrating. i know it's not a cookies or date/time setting issue since i successfully set up a regular apple id linked to my credit card and have purchased music. it seems to me that itunes ought to be a bit more responsive to its customers who have issues like mine. just a gentle suggestion, of course. thanks, as always, for your attempts to help. i still have not received a response from itunes engineering and was told that would happen earlier in the week. is there any recourse for customers like me??? amy r.

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Error 11503 Whenever I try to download music.

Can anyone help me? I keep getting error 11503 whenever I try to download music. I updated iTunes, restarted my computer and nothing works. Pleeaasssseeee help. Music is my life.

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Error 11503: What does this mean?

I purchased an Itunes music card and when i tried to download the songs it gives me an error 11503. Could not purchase unknown. unknown error occured. There was an error in the music store, please try again later. Well i have tried again later and it's still not downloading. Any help would be nice. Thanks

Did you cancel your AOL account? That 11503 number is usually associated with AOL accounts that didn't convert to AppleIDs correctly.
Also make sure you have the latest iTunes
http://www.apple.com/itunes/download/

Possible fix for errors 11503 and 50

Here's a possible fix for Error 11503 and for error 50.
It worked for me and hopefully it will work for you.
I believe this error is caused by the incomplete downloading of either an update to an app. In my case it was caused by closing the lid on my laptop when I was downloading app updates on a very slow internet connection in a hotel.
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Close iTunes.
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Several possible causes from the info you gave
Battery level low - recharge it for at least 4 hours till the full charge sign displays (2 prong icon instead of lightning icon).
Time to Reset the iPod - Press the Menu and center Button for about 10 secs till the Apple logo comes ON, then let go of the buttons.
your hardisk is starting to give problems, hence the skipping and some song refuse to play. - Do a disk diagnostic - follow this post by tt2.
https://discussions.apple.com/message/17028567#17028567
If you have updated any sofware application in Windows, then follow this Apple support procedure
http://support.apple.com/kb/TS1539
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Help! Getting iTunes Error 11503 and Error (-50) was working fine this morning and now nothing

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Here's a possible fix for Error 11503 and for error 50.
It worked for me and hopefully it will work for you.
I believe this error is caused by the incomplete downloading of either an update to an app, or perhaps a big music file. In my case it was caused by closing the lid on my laptop when I was downloading app updates on a very slow internet connection in a hotel.
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Close iTunes.
Go to this folder : /iTunes/Mobile Applications/Downloads
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Here's a possible fix for Error 11503 and for error 50.
It worked for me and hopefully it will work for you.
I believe this error is caused by the incomplete downloading of either an update to an app, or perhaps a big music file. In my case it was caused by closing the lid on my laptop when I was downloading app updates on a very slow internet connection in a hotel.
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Close iTunes.
Go to this folder : /iTunes/Mobile Applications/Downloads
You'll find tmp files there. Drag them out of this folder to a temporary folder on your desktop. The Downloads folder should now be empty.
Restart iTunes.
All should be fine.
If it's not, then I can't help further, but that's what worked for me.

Error 11503 Cannot purchase unknown???

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Are you able to download the Tuesday free song?
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http://docs.info.apple.com/article.html?artnum=93708

ITunes error 11503

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Unknown error 11503

For the past several weeks I have been unable to download content from itunes.Unknown error number 11503 pops up after a purcahsed download starts and does not allow the completion of the download.I have the latest version of itunes and I was wondering if anyone else has had this problem and what the fix was. Thanks.
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Hello All,
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Am trying to sign into iTunes store only access half way then blank that's it anyone help please

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Here's a possible fix for Error 11503 and for error 50.
It worked for me and hopefully it will work for you.
I believe this error is caused by the incomplete downloading of either an update to an app, or perhaps a big music file. In my case it was caused by closing the lid on my laptop when I was downloading app updates on a very slow internet connection in a hotel.
Anyway, here is what I did that fixed it completely.
Close iTunes.
Go to this folder : /iTunes/Mobile Applications/Downloads
You'll find tmp files there. Drag them out of this folder to a temporary folder on your desktop. The Downloads folder should now be empty.
Restart iTunes.
All should be fine.
If it's not, then I can't help further, but that's what worked for me.

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Hello Faithfill
If you are having issues downloading updates to your computer from the iTunes Store, then check out the article below to go over settings of your computer.
Can't connect to the iTunes Store
http://support.apple.com/kb/TS1368
Regards,
-Norm G.

11503 error

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CSS 11503 Portmapper Error

Any idea what this error means? We saw this after we did some load testing this weekend.
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Regards,
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CSS 11503 disk error -

When I do a "show disk" get the following - where the "c:/4123 FLO.WMG..." is repeated alot and then eventually shows the disk info. The system is still running since the it has not been rebooted:
CSS11503# show disk
PCMCIA Slot: 0
"c:/54122 FL.OWM" has illegal start cluster"c:/4123 FLO.WMG" has illegal start cluster"c:/4123 FLO.WMG/ªUªUªUªU.ªUª" has illegal start cluster
123 FLO.WMG/ªUªUªUªU.ªUª" has illegal start cluster"c:/4123 FLO.WMG/ªUªUªUªU.ªUª" has illegal start cluster"c:/4123 FLO.WMG/ªUªUªUªU.ªUª" has illegal start cluster"c:/4123 FLO.WMG/ªUªUªUªU.ªUª" has illegal start cluster"c:/4123 FLO.WMG/ªUªUªUªU.ªUª" has illegal start cluster"c:/4123 FLO.WMG/ªUªUªUªU.ªUª" has illegal start cluster"c:/4123 FLO.WMG/ªUªUªUªU.ªUª" has illegal start cluster
          total # of clusters: 62544
            bytes per cluster: 16384
                free clusters: 56027
                 bad clusters: 0
                   free bytes: 917946368 (917 MB)
    max contiguous free bytes: 876724224 (876 MB)
                        files: 80
                      folders: 101
         total bytes in files: 1673764112
                  lost chains: 812
   total bytes in lost chains: 106725376
Warning, Lost clusters c:/54122 FL.OWM
Warning, Lost clusters c:/4123 FLO.WMG
Warning, Lost clusters c:/4123 FLO.WMG/ªUªUªUªU.ªUª
Warning, Lost clusters c:/4123 FLO.WMG/ªUªUªUªU.ªUª
Warning, Lost clusters c:/4123 FLO.WMG/ªUªUªUªU.ªUª
Warning, Lost clusters c:/4123 FLO.WMG/ªUªUªUªU.ªUª
Warning, Lost clusters c:/4123 FLO.WMG/ªUªUªUªU.ªUª
Warning, Lost clusters c:/4123 FLO.WMG/ªUªUªUªU.ªUª
Warning, Lost clusters c:/4123 FLO.WMG/ªUªUªUªU.ªUª
Warning, Lost clusters c:/4123 FLO.WMG/ªUªUªUªU.ªUª
PCMCIA Slot: 0
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Does it appear that running "llama - chkdsk" will correct?
and
Can "llama - chkdsk" be run while system is still operating? (I have a slave running that I could switch to)

Disk was bad - received new one.
Tried running the chkdsk, but CSS looped between reboot/Offline DM.

Error 11503

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